17 replies to this topic

[hanra]

As per type GMH Workshop Manual, where do you consider full on the 308 dipstick? Oil to the line just prior to the letter F in the word full? Or oil to the first L in the word full?

I think my engine is overfull……!

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[RallyRed]

Reckon the line mate.
That's how I've always read it.
Below the bottom line = needs more, nagging issue of is oil starvation happening?
Above the upper line = oops, too much, with the nagging issue of am I aereating the oil? i.e. crank slapping oil and making bubbles?
Bearings don't like bubbles.

[AbsynthHatch]

Agree.
The line before the letter 'F'.

[hanra]

I’ll have to dump the oil anyways I think. It’s about 2-3yrs old. Prob done 50klms however.

[Shiney005]

Maybe dump the fuel as well Brad.

[hanra]

Gahhhhh. My stash of HPR30 is basically good for the bin. Only had a 5 year shelf life. Must have got carried away and bought a heap when on special. Man…. The years just blow by…

I’ll use the container with a 12/21 mfg date.

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Edited by hanra, 27 April 2025 - 02:07 PM.

[hanra]

That’s better.

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[RallyRed]

Hmm...never knew modern oil even had a use by date.

[rodomo]

Hmm...never knew modern oil even had a use by date.

Might be a manufacture date? 

[hanra]

The Penrite website states their oils have a 5 year shelf life. Those dates on the bottles would be MFG date.

[RallyRed]

Ta Brad...I'll start to check the Mfg date on oils when I see them particularly cheap.

[hanra]

.

..

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Edited by hanra, 28 April 2025 - 02:42 PM.

[yel327]

Its the same with Synthetic oil filters, you need to store them in a cool relatively constant temperature. Like wine. This wouldn't bother most, but the filters for the Ram have to come from the USA via backdoor as Royal Purple blocks normal import paths as they have a local distributor - who NEVER has them in stock. So I buy them in packs of 10 to lessen the freight impact. So storage is crucial! 10-48 is the filter, same as a LS. You'd think they'd be kept in stock in Australia.

[hanra]

It’s was this guy here in the link that got me thinking about shelf life.

this bloke on youtube is the son of Nascar driver and a lubrication engineer.
he does tests and shows results & testing. he talks alot about viscosity & wear.
heres channel if interested.
https://www.youtube....themotoroilgeek

Edited by hanra, 28 April 2025 - 05:59 PM.

[RallyRed]

ok, we use Penrite for just about everything.
We do buy the "Racing 20", in 20litre drums when it's on a good special. Some of them would be 2 1/2 years old now. So will need to sequence the use with regard to shelf life.
That said, I am guilty of finding 30 y.o. bottles of 2 stroke in the garden shed, and using it in whipper snippers etc...lol

[Indy Orange]

Its the same with Synthetic oil filters, you need to store them in a cool relatively constant temperature. Like wine. This wouldn't bother most, but the filters for the Ram have to come from the USA via backdoor as Royal Purple blocks normal import paths as they have a local distributor - who NEVER has them in stock. So I buy them in packs of 10 to lessen the freight impact. So storage is crucial! 10-48 is the filter, same as a LS. You'd think they'd be kept in stock in Australia.

I prefer a 1971 vintage filter.I find the fruity textures coming through with an oily aftertaste,and classic petrol undertones,I also prefer a red six .but I also buy in boxes of 12.😉

Edited by Indy Orange, 29 April 2025 - 03:00 AM.

[Shiney005]

It has been sitting in the ground for a million bloody years!!!  A bit like having a use by date on salt.

[hanra]

From what I understand, its an issue with all the extra additives that fall out of suspension in the oil and just wind up in the bottom of the container.